//
-// Copyright (c) 2016-2018 by the citadel.org team
+// Copyright (c) 2016-2019 by the citadel.org team
//
// This program is open source software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 3.
// This function is the dispatcher that determines the correct view for a room,
-// and calls the correct renderer.
+// and calls the correct renderer. Greater/Less than bounds are accepted.
//
-function render_room_view(min_msg, max_msg)
+function render_room_view(gt_msg, lt_msg)
{
- switch(current_view)
- {
+ switch(current_view) {
case views.VIEW_MAILBOX: // FIXME view mail rooms as forums for now
case views.VIEW_BBS:
- forum_readmessages("ctdl-main", min_msg, max_msg);
+ forum_readmessages("ctdl-main", gt_msg, lt_msg);
break;
default:
- document.getElementById("ctdl-main").innerHTML = "The view for " + current_room + " is " + current_view + " but there is no renderer." ;
+ document.getElementById("ctdl-main").innerHTML =
+ "The view for " + current_room + " is " + current_view + " but there is no renderer." ;
break;
}
// Forum view (flat) -- let's have another go at this with the rendering done client-side
//
-function forum_readmessages(target_div, min_msg, max_msg)
+function forum_readmessages(target_div, gt_msg, lt_msg)
{
- var innerdivname = randomString(5);
- document.getElementById(target_div).innerHTML = "<div id=\"" + innerdivname +
- "\"><br><br><br><center><h5><i class=\"fas fa-spinner fa-spin\"></i> "
- + _("Loading messages from server, please wait") + "</h5></center></div>" ;
+ original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
+ document.getElementById(target_div).innerHTML =
+ "<i class=\"fas fa-spinner fa-spin\"></i> "
+ + _("Loading messages from server, please wait") ;
var request = new XMLHttpRequest();
- if (max_msg < 9999999999)
- {
- request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + max_msg, true);
+ if (lt_msg < 9999999999) {
+ request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg, true);
}
- else
- {
- request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + min_msg, true);
+ else {
+ request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg, true);
}
- request.onreadystatechange = function()
- {
- if (this.readyState === 4)
- {
- if ((this.status / 100) == 2)
- {
+ request.onreadystatechange = function() {
+ if (this.readyState === 4) {
+ if ((this.status / 100) == 2) {
msgs = JSON.parse(this.responseText);
-
- document.getElementById(innerdivname).innerHTML = "" ;
- //"Are we logged in? " + logged_in + "<br>"
- //+ "Last seen: " + last_seen + "<br>"
- //+ "Number of messages: " + msgs.length + "<br>"
- //+ "min_msg=" + min_msg + "<br>"
- //+ "max_msg=" + max_msg + "<br>" ;
-
- //if (msgs.length == 0)
- //{
- //document.getElementById(innerdivname).innerHTML += "FIXME no msgs" ;
- //}
+ document.getElementById(target_div).innerHTML = "" ;
// If we were given an explicit starting point, by all means start there.
// Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
- if (min_msg > 0)
- {
- msgs = msgs.slice(0, msgs_per_page);
+ if (gt_msg > 0) {
+ msgs = msgs.slice(0, messages_per_page);
}
- // show us the last 20 messages and scroll to the bottom (this will become the not-logged-in behavior)
- else if ((logged_in) | (!logged_in) | (max_msg < 9999999999))
- {
- if (msgs.length > messages_per_page)
- {
+ // Otherwise, show us the last 20 messages
+ else {
+ if (msgs.length > messages_per_page) {
msgs = msgs.slice(msgs.length - messages_per_page);
}
- document.getElementById(innerdivname).innerHTML +=
- "<div id=\"older_msgs\">" +
- "<a href=\"javascript:forum_readmessages('older_msgs', 0, " + msgs[0] + ");\">" +
- "link to msgs less than " + msgs[0] + "</a></div>" ;
+ new_old_div_name = randomString(5);
+ if (msgs.length < 1) {
+ newlt = lt_msg;
+ }
+ else {
+ newlt = msgs[0];
+ }
+ document.getElementById(target_div).innerHTML +=
+ "<div id=\"" + new_old_div_name + "\">" +
+ "<div align=\"center\">" +
+ "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
+ "<i class=\"fa fa-arrow-circle-up\"></i> " +
+ _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
+ }
+
+ // Render the divs (we will fill them in later)
+ for (var i in msgs) {
+ document.getElementById(target_div).innerHTML +=
+ "<div id=\"ctdl_msg_"
+ + msgs[i] + "\">#" + msgs[i]
+ + "</div>" ;
+ }
+ if (lt_msg == 9999999999) {
+ new_new_div_name = randomString(5);
+ if (msgs.length <= 0) {
+ newgt = gt_msg;
+ }
+ else {
+ newgt = msgs[msgs.length-1];
+ }
+ document.getElementById(target_div).innerHTML +=
+ "<div id=\"" + new_new_div_name + "\">" +
+ "<div align=\"center\">" +
+ "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
+ "<i class=\"fa fa-arrow-circle-down\"></i> " +
+ _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
}
- // It's render time, bitchez!
- for (var i in msgs)
- {
- document.getElementById(innerdivname).innerHTML +=
- "<div id=\"ctdl_msg_" + msgs[i] + "\">message #" + msgs[i] + "</div>" ;
+ // Now figure out where to scroll to after rendering.
+ if (gt_msg > 0) {
+ scroll_to = msgs[0];
+ }
+ else if (lt_msg < 9999999999) {
+ scroll_to = msgs[msgs.length-1];
}
- if (max_msg == 9999999999)
- {
- document.getElementById(innerdivname).innerHTML +=
- "<div id=\"newer_msgs\">" +
- "<a href=\"javascript:forum_readmessages('newer_msgs', msgs[msgs.length-1]+1, 9999999999);\">" +
- "link to msgs greater than " + msgs[msgs.length-1] + "</a></div>" ;
+ else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
+ scroll_to = msgs[msgs.length-1];
}
+ else {
+ scroll_to = msgs[0]; // FIXME this is too naive
+ }
+
+ // Render the individual messages in the divs
+ forum_render_messages(msgs, "ctdl_msg_", scroll_to)
+ }
+ else {
+ // if xhr fails, this will make the link reappear so the user can try again
+ document.getElementById(target_div).innerHTML = original_text;
+ }
+ }
+ };
+ request.send();
+ request = null;
+}
+
+
+// Render a range of messages, with the div prefix specified
+//
+function forum_render_messages(msgs, prefix, scroll_to)
+{
+ for (i=0; i<msgs.length; ++i) {
+ forum_render_one(prefix+msgs[i], msgs[i], scroll_to)
+ }
+}
+
+
+// We have to put each XHR for forum_render_messages() into its own stack frame, otherwise it jumbles them together. I don't know why.
+function forum_render_one(div, msgnum, scroll_to)
+{
+ var request = new XMLHttpRequest();
+ request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json", true);
+ request.onreadystatechange = function() {
+ if (this.readyState === 4) {
+ if ((this.status / 100) == 2) {
+ msg = JSON.parse(this.responseText);
+
+ document.getElementById(div).innerHTML =
+ "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
+ + "<div class=\"ctdl-avatar\">" // begin avatar
+ + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
+ + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
+ + "</div>" // end avatar
+ + "<div class=\"ctdl-msg-content\">" // begin content
+ + "<div class=\"ctdl-msg-header\">" // begin header
+ + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
+ + msg.from
+ + "</a></span> "
+ + "<span class=\"ctdl-msgdate\">"
+ + msg.time
+ + "</span> "
+ + "</div>" // end header
+ + "<div>" // begin body
+ + msg.text
+ + "</div>" // end body
+ + "</div>" // end content
+ + "</div>" // end wrapper
+ ;
}
- else
- {
- document.getElementById(innerdivname).innerHTML = this.status ; // error message
+ else {
+ document.getElementById(div).innerHTML = "ERROR";
+ }
+ if (msgnum == scroll_to) {
+ window.location.hash = div;
}
}
};
request.send();
request = null;
}
+
projects / citadel.git / blobdiff